expand (2x-3y)(x-5y)

  • A \(2x^2 + 13xy - 15y^2\)
  • B \(2x^2 - 13xy - 15y^2\)
  • C \(2x^2 + 13xy + 15y^2\)
  • D \(2x^2 - 13xy + 15y^2\)
waec 2005mathematics

The correct answer is D. \(2x^2 - 13xy + 15y^2\)

\((2x-3y)(x-5y)=2x^2 - 10xy - 3xy + 15y^2\\

=2x^2 - 13xy + 15y^2\)

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